Finding the Fourth Proportional to 705,449.82, 973,353.98 and 415,074.06

Step by Step Solution

1. Step 1: Write the proportion equation
   705,449.82 : 973,353.98 = 415,074.06 : x
2. Step 2: Convert to fraction form
   705,449.82/973,353.98 = 415,074.06/x
3. Step 3: Cross multiply
   705,449.82x = 973,353.98 × 415,074.06
4. Step 4: Simplify right side
   705,449.82x = 404,013,988,295.76
5. Step 5: Solve for x
   x = 404,013,988,295.76/705,449.82
6. Step 6: Final answer
   x = 572,704.08